The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 15, 2014
Filed:
Mar. 02, 2009
Applicants:
Urs Fürholz, Marly, CH;
Vincent Ruffieux, Le Mouret, CH;
Meinrad Schär, Ependes, CH;
Inventors:
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/00 (2006.01); B41M 5/52 (2006.01); B41M 5/50 (2006.01);
U.S. Cl.
CPC ...
B41M 5/5254 (2013.01); B41M 5/5227 (2013.01); B41M 5/5218 (2013.01); B41M 5/506 (2013.01);
Abstract
A method for the preparation of silicium dioxide dispersions is provided, wherein the surface of the silicium dioxide is modified by a treatment with the reaction products, formed in a separate reaction step, of at least one compound of trivalent aluminum or of tetravalent zirconium or a mixture thereof with at least one aminoorganosilane; and the invention also relates to recording sheets for ink jet printing having such a dispersion incorporated in an ink-receiving layer.